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Showing 25–48 of 24 matching trials from the live ClinicalTrials.gov search.
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Filters: Intervention: Copegus Clear all
Terminated Phase 2 Interventional

GS-5885, GS-9451 With Peginterferon Alfa 2a (PEG) and Ribavirin in Treatment-Naïve Subjects With Chronic Genotype 1 Hep C Virus Infection and IL28B CC Genotype

NCT01384383
View directory record Official record
Conditions
Chronic Hepatitis C
Interventions
GS-5885, GS-9451, RBV, PEG
Drug
Lead sponsor
Gilead Sciences
Industry
Eligibility
18 Years to 70 Years
Enrollment
248 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2011 – 2013
U.S. locations
26
States / cities
Los Angeles, California • Sacramento, California • San Diego, California + 20 more
Source: ClinicalTrials.gov public record
Updated Feb 2, 2014 · Synced Sep 2, 2026, 10:17 AM EDT
Completed Phase 3 Interventional Results available

Clinical Trial for Non-responders Who Previously Participated in Eltrombopag Studies TPL 103922 or TPL 108390

NCT00996216
View directory record Official record
Conditions
Hepatitis C
Interventions
Eltrombopag, Antiviral therapy
Drug
Lead sponsor
GlaxoSmithKline
Industry
Eligibility
18 Years and older
Enrollment
27 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2009 – 2013
U.S. locations
6
States / cities
San Diego, California • New Haven, Connecticut • Honolulu, Hawaii + 3 more
Source: ClinicalTrials.gov public record
Updated Dec 5, 2013 · Synced Sep 2, 2026, 10:17 AM EDT
Completed Phase 2 Interventional

A Study of Ritonavir-Boosted Danoprevir and RO5024048 in Different Combinations in Null Responder or Treatment-Naïve Patients With Chronic Hepatitis C and Compensated Cirrhosis

NCT01483742
View directory record Official record
Conditions
Hepatitis C, Chronic
Interventions
RO5024048, danoprevir, peginterferon alfa-2a [Pegasys], ribavirin, ritonavir
Drug
Lead sponsor
Hoffmann-La Roche
Industry
Eligibility
18 Years to 65 Years
Enrollment
43 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2012 – 2013
U.S. locations
15
States / cities
Birmingham, Alabama • Anaheim, California • Coronado, California + 11 more
Source: ClinicalTrials.gov public record
Updated Jul 31, 2016 · Synced Sep 2, 2026, 10:17 AM EDT
Completed Phase 2 Interventional Results available

Evaluate the Efficacy and Safety of Sofosbuvir/Velpatasvir Fixed-Dose Combination and Ribavirin for 12 Weeks in Participants With Chronic HCV Infection and Child-Pugh-Turcotte Class C Cirrhosis

NCT02994056
View directory record Official record
Conditions
Hepatitis C Virus Infection
Interventions
SOF/VEL, RBV
Drug
Lead sponsor
Gilead Sciences
Industry
Eligibility
18 Years and older
Enrollment
32 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2018
U.S. locations
10
States / cities
Tampa, Florida • Chicago, Illinois • Catonsville, Maryland + 7 more
Source: ClinicalTrials.gov public record
Updated Mar 1, 2020 · Synced Sep 2, 2026, 10:17 AM EDT
Completed Phase 2 Interventional

Study to Determine the Effectiveness of Antiviral Combination Therapy to Treat Hepatitis C Virus (HCV) Infected Patients Who Have Previously Failed Standard of Care

NCT01012895
View directory record Official record
Conditions
Chronic Hepatitis C
Interventions
BMS-790052, BMS-650032, Pegylated-interferon alfa-2a, Ribavirin
Drug
Lead sponsor
Bristol-Myers Squibb
Industry
Eligibility
18 Years to 70 Years
Enrollment
215 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2009 – 2014
U.S. locations
10
States / cities
Anaheim, California • Coronado, California • San Jose, California + 7 more
Source: ClinicalTrials.gov public record
Updated Oct 8, 2015 · Synced Sep 2, 2026, 10:17 AM EDT
Completed Phase 4 Interventional Results available

Concentration-Controlled Ribavirin for the Treatment of Patients With Chronic Hepatitis C Virus Infection

NCT01097395
View directory record Official record
Conditions
Hepatitis C Virus
Interventions
ribavirin
Drug
Lead sponsor
University of Colorado, Denver
Other
Eligibility
18 Years to 70 Years
Enrollment
35 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2010 – 2015
U.S. locations
1
States / cities
Aurora, Colorado
Source: ClinicalTrials.gov public record
Updated Sep 15, 2021 · Synced Sep 2, 2026, 10:17 AM EDT
Completed Phase 2 Interventional Results available

Short Term Treatment With BI 201335, Peginterferon-alpha 2a and Ribavirin in Hepatitis c Virus Genotype-1 Treatment-naïve Patients (SILEN-C3)

NCT00984620
View directory record Official record
Conditions
Hepatitis C
Interventions
BI 201335, Pegylated Interferon-alpha (IFN), Ribavirin (RBV)
Drug
Lead sponsor
Boehringer Ingelheim
Industry
Eligibility
18 Years to 70 Years
Enrollment
160 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
Started 2009
U.S. locations
6
States / cities
Tulepo, Mississippi • New York, New York • Germantown, Tennessee + 3 more
Source: ClinicalTrials.gov public record
Updated Sep 6, 2015 · Synced Sep 2, 2026, 10:17 AM EDT
Completed Phase 4 Interventional Results available

Peak Study - A Study of Pegasys (Peginterferon Alfa-2a (40KD)) in Combination With Copegus (Ribavirin) in Interferon-Naive Patients With Chronic Hepatitis C (CHC).

NCT00087607
View directory record Official record
Conditions
Hepatitis C, Chronic
Interventions
Ribavirin, Peginterferon alfa-2b (PEG-Intron), Peginterferon alfa-2a [Pegasys]
Drug
Lead sponsor
Hoffmann-La Roche
Industry
Eligibility
18 Years and older
Enrollment
385 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2004 – 2006
U.S. locations
41
States / cities
Birmingham, Alabama • Little Rock, Arkansas • Sacramento, California + 36 more
Source: ClinicalTrials.gov public record
Updated Jun 30, 2016 · Synced Sep 2, 2026, 10:17 AM EDT
Completed Phase 4 Interventional Results available

Viekira Pak or Mavyret Treatment for Patient With Chronic Kidney Disease and Hepatitis C

NCT02946034
View directory record Official record
Conditions
Chronic Kidney Disease, Chronic Hepatitis C
Interventions
Viekira Pak ± ribavirin, Mavyret
Drug
Lead sponsor
Massachusetts General Hospital
Other
Eligibility
18 Years and older
Enrollment
10 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2020
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Nov 4, 2021 · Synced Sep 2, 2026, 10:17 AM EDT
Completed Phase 3 Interventional Results available

A Phase 3 Study of Telaprevir in Combination With Pegasys® and Copegus® in Treatment-Naive Subjects With Genotype 1 Hepatitis C Virus (HCV)

NCT00627926
View directory record Official record
Conditions
Hepatitis C
Interventions
Pegylated Interferon Alfa 2a, Telaprevir, Ribavirin, Placebo
Biological · Drug · Other
Lead sponsor
Vertex Pharmaceuticals Incorporated
Industry
Eligibility
18 Years to 70 Years
Enrollment
1,095 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2008 – 2010
U.S. locations
65
States / cities
Birmingham, Alabama • Phoenix, Arizona • Fresno, California + 48 more
Source: ClinicalTrials.gov public record
Updated Aug 7, 2014 · Synced Sep 2, 2026, 10:17 AM EDT
Completed Phase 3 Interventional Results available

A Study Evaluating 24-Week and 48-Week Telaprevir-Based Regimen in Treatment Naïve Subjects With Genotype 1 Chronic Hepatitis C Who Achieve an Extended Rapid Viral Response

NCT00758043
View directory record Official record
Conditions
Hepatitis C
Interventions
telaprevir, ribavirin, peginterferon alfa-2a
Drug · Biological
Lead sponsor
Vertex Pharmaceuticals Incorporated
Industry
Eligibility
18 Years to 70 Years
Enrollment
540 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2008 – 2010
U.S. locations
74
States / cities
Birmingham, Alabama • Phoenix, Arizona • Fresno, California + 57 more
Source: ClinicalTrials.gov public record
Updated Mar 25, 2021 · Synced Sep 2, 2026, 10:17 AM EDT
Completed Phase 2 Interventional Results available

Dose Ranging of GSK2336805 in Combination Therapy

NCT01648140
View directory record Official record
Conditions
Hepatitis C, Chronic
Interventions
GSK2336805 40 mg, GSK2336805 60 mg, Pegylated interferon alpha-2a, Ribavirin, Telaprevir
Drug
Lead sponsor
GlaxoSmithKline
Industry
Eligibility
18 Years to 70 Years
Enrollment
286 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2012 – 2014
U.S. locations
18
States / cities
Dothan, Alabama • Anaheim, California • Los Angeles, California + 15 more
Source: ClinicalTrials.gov public record
Updated Jun 1, 2017 · Synced Sep 2, 2026, 10:17 AM EDT
Completed Phase 2 Interventional Results available

A Study to Evaluate the Efficacy, Safety, and Pharmacokinetics of ABT-450 With Ritonavir (ABT-450/r) When Given Together With ABT-333 and Ribavirin (RBV) in Treatment-Naïve and Non-responder Subjects With Genotype 1 Chronic Hepatitis C Virus (HCV) Infection

NCT01306617
View directory record Official record
Conditions
Chronic Hepatitis C Infection, Hepatitis C, Hepatitis C Virus
Interventions
ABT-450, ABT-333, ribavirin, ritonavir
Drug
Lead sponsor
AbbVie (prior sponsor, Abbott)
Industry
Eligibility
18 Years to 65 Years
Enrollment
50 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2011 – 2012
U.S. locations
11
States / cities
Los Angeles, California • Aurora, Colorado • Gainesville, Florida + 8 more
Source: ClinicalTrials.gov public record
Updated Jan 7, 2015 · Synced Sep 2, 2026, 10:17 AM EDT
Completed Phase 2 Interventional

Study to Evaluate Drug-drug Interaction Between Valopicitabine and Ribavirin

NCT00395421
View directory record Official record
Conditions
Chronic Hepatitis C
Interventions
NM283 plus Peg-IFNα-2a
Drug
Lead sponsor
Merck Sharp & Dohme LLC
Industry
Eligibility
18 Years to 65 Years
Enrollment
114 participants
Timeline
2006 – 2008
U.S. locations
2
States / cities
Atlanta, Georgia • Fairfax, Virginia
Source: ClinicalTrials.gov public record
Updated Jun 9, 2010 · Synced Sep 2, 2026, 10:17 AM EDT
Completed Phase 2 Interventional

Merimepodib (MMPD) in Triple Combination for the Treatment of Chronic Hepatitis C

NCT00088504
View directory record Official record
Conditions
Hepatitis C, Hepatitis
Interventions
Merimepodib, PEG-Interferon-alpha 2a (Pegasys®), Ribavirin (Copegus®)
Drug
Lead sponsor
Vertex Pharmaceuticals Incorporated
Industry
Eligibility
18 Years to 70 Years
Enrollment
315 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2004 – 2006
U.S. locations
67
States / cities
Birmingham, Alabama • Huntsville, Alabama • Phoenix, Arizona + 55 more
Source: ClinicalTrials.gov public record
Updated Dec 20, 2007 · Synced Sep 2, 2026, 10:17 AM EDT
Completed Phase 2 Interventional Results available

Safety and Efficacy of Sofosbuvir Plus Velpatasvir With or Without Ribavirin in Treatment-experienced Subjects With Chronic HCV Infection

NCT01909804
View directory record Official record
Conditions
Hepatitis C
Interventions
SOF, VEL, RBV
Drug
Lead sponsor
Gilead Sciences
Industry
Eligibility
18 Years and older
Enrollment
323 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013 – 2014
U.S. locations
40
States / cities
Long Beach, California • Los Angeles, California • Pasadena, California + 37 more
Source: ClinicalTrials.gov public record
Updated Nov 14, 2018 · Synced Sep 2, 2026, 10:17 AM EDT
Not listed Phase 2 Interventional

Efficacy and Safety Study of PEG-rIL-29 Plus Ribavirin to Treat Chronic Hepatitis C Virus Infection

NCT01001754
View directory record Official record
Conditions
Hepatitis C, Chronic
Interventions
PEG-rIL-29, Peginterferon alfa-2a, Ribavirin
Drug
Lead sponsor
ZymoGenetics
Industry
Eligibility
18 Years to 70 Years
Enrollment
600 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2010 – 2012
U.S. locations
29
States / cities
Beverly Hills, California • Coronado, California • La Jolla, California + 26 more
Source: ClinicalTrials.gov public record
Updated Dec 4, 2011 · Synced Sep 2, 2026, 10:17 AM EDT
Completed Phase 2 Interventional Results available

Safety, Antiviral Activity, and Pharmacokinetics of GSK2336805 With Peginterferon and Ribavirin in Chronic Hepatitis C Subjects

NCT01439373
View directory record Official record
Conditions
Hepatitis C, Chronic
Interventions
GSK2336805, Pegylated interferon alfa-2a, Ribavirin, GSK2336805 Matching Placebo
Drug
Lead sponsor
GlaxoSmithKline
Industry
Eligibility
18 Years to 70 Years
Enrollment
16 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2011
U.S. locations
9
States / cities
Anaheim, California • Chula Vista, California • Coronado, California + 6 more
Source: ClinicalTrials.gov public record
Updated Dec 10, 2017 · Synced Sep 2, 2026, 10:17 AM EDT
Completed Phase 2 Interventional Results available

Safety and Efficacy of Sofosbuvir and Ribavirin in Adults With Recurrent Chronic Hepatitis C Virus (HCV) Post Liver Transplant

NCT01687270
View directory record Official record
Conditions
Recurrent Chronic Hepatitis C Virus, Post Liver Transplant
Interventions
Sofosbuvir, RBV
Drug
Lead sponsor
Gilead Sciences
Industry
Eligibility
18 Years and older
Enrollment
40 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2012 – 2014
U.S. locations
8
States / cities
San Francisco, California • Indianapolis, Indiana • Kansas City, Kansas + 4 more
Source: ClinicalTrials.gov public record
Updated Dec 18, 2014 · Synced Sep 2, 2026, 10:17 AM EDT
Completed Phase 3 Interventional

Ribavirin Compared With Standard Care in Treating Patients With Respiratory Syncytial Virus Following Stem Cell Transplantation

NCT00016081
View directory record Official record
Conditions
Infection
Interventions
ribavirin
Drug
Lead sponsor
Fred Hutchinson Cancer Center
Other
Eligibility
2 Years and older
Healthy volunteers
Healthy volunteers not accepted
Timeline
1998 – 2003
U.S. locations
4
States / cities
Birmingham, Alabama • Chicago, Illinois • St Louis, Missouri + 1 more
Source: ClinicalTrials.gov public record
Updated Mar 29, 2010 · Synced Sep 2, 2026, 10:17 AM EDT
Completed Phase 2 Interventional

A Study of Danoprevir/Ritonavir and Copegus With RO5024048 and/or Pegasys in Patients With Chronic Hepatitis C

NCT01331850
View directory record Official record
Conditions
Hepatitis C, Chronic
Interventions
Copegus, Pegasys, RO5024048, danoprevir, ritonavir
Drug
Lead sponsor
Hoffmann-La Roche
Industry
Eligibility
18 Years and older
Enrollment
381 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2011 – 2013
U.S. locations
19
States / cities
La Jolla, California • Long Beach, California • Sacramento, California + 15 more
Source: ClinicalTrials.gov public record
Updated Nov 1, 2016 · Synced Sep 2, 2026, 10:17 AM EDT
Completed Phase 3 Interventional

Ribavirin With or Without Monoclonal Antibody Therapy in Treating Patients Who Develop RSV Pneumonia Following Peripheral Stem Cell Transplantation

NCT00014391
View directory record Official record
Conditions
Cancer
Interventions
palivizumab, ribavirin
Biological · Drug
Lead sponsor
Fred Hutchinson Cancer Center
Other
Eligibility
Not listed
Healthy volunteers
Healthy volunteers not accepted
Timeline
1999 – 2001
U.S. locations
1
States / cities
Seattle, Washington
Source: ClinicalTrials.gov public record
Updated Apr 1, 2010 · Synced Sep 2, 2026, 10:17 AM EDT
Terminated Phase 4 Interventional Results available

Pegylated Interferon, Ribavirin, Telaprevir in Hepatitis C Virus Infection in Orthotopic Liver Transplant Recipients

NCT01592006
View directory record Official record
Conditions
Hepatitis C
Interventions
Peginterferon alfa-2a, Ribavirin, telaprevir
Drug
Lead sponsor
University of Chicago
Other
Eligibility
18 Years and older
Enrollment
3 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2012 – 2014
U.S. locations
1
States / cities
Chicago, Illinois
Source: ClinicalTrials.gov public record
Updated Jun 14, 2016 · Synced Sep 2, 2026, 10:17 AM EDT
Terminated Early Phase 1 Interventional

Pilot Study of Betaine + Combination Antiviral Therapy for Chronic Hepatitis C Genotype 1 Non-responder/Relapsers

NCT00882193
View directory record Official record
Conditions
Chronic Hepatitis C, Genotype 1, Relapse
Interventions
Betaine, Peginterferon alpha 2a, Ribavirin
Drug
Lead sponsor
University of Nebraska
Other
Eligibility
19 Years and older
Enrollment
2 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2009 – 2011
U.S. locations
1
States / cities
Omaha, Nebraska
Source: ClinicalTrials.gov public record
Updated Nov 29, 2023 · Synced Sep 2, 2026, 10:17 AM EDT